Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Study Into the Fire and Explosion Characteristics of Polymer Powders Used in Engineering Production Technologies

Richard Kuracina
* ORCID logo ,
Zuzana Szabová
* ORCID logo ,
Eva Buranská
,
László Kosár
ORCID logo ,
Peter Rantuch
ORCID logo ,
Lenka Blinová
,
Dagmar Měřínská
ORCID logo ,
Peter Gogola
ORCID logo ,
František Jurina
Version 1 : Received: 27 September 2023 / Approved: 28 September 2023 / Online: 28 September 2023 (09:45:12 CEST)

A peer-reviewed article of this Preprint also exists.

Kuracina, R.; Szabová, Z.; Buranská, E.; Kosár, L.; Rantuch, P.; Blinová, L.; Měřínská, D.; Gogola, P.; Jurina, F. Study into the Fire and Explosion Characteristics of Polymer Powders Used in Engineering Production Technologies. Polymers 2023, 15, 4203. Kuracina, R.; Szabová, Z.; Buranská, E.; Kosár, L.; Rantuch, P.; Blinová, L.; Měřínská, D.; Gogola, P.; Jurina, F. Study into the Fire and Explosion Characteristics of Polymer Powders Used in Engineering Production Technologies. Polymers 2023, 15, 4203.

Abstract

Polymers and their processing by engineering production technologies (injection, moulding or additive manufacturing) are being increasingly used. An explosive atmosphere can be created by the powder form of these polymer materials, and introduction of preventive safeguards to control safety is required for their use. Determination of the fire parameters of powder samples of Polyamide PA12, Polypropylene, and ultra-high molecular weight polyethylene (UHMW Polyethylene) is the subject of the current article. The results showed? that one of the samples used was not flammable and thus safe for use in terms of explosiveness. Two samples were flammable and explosive. The lower explosive limit was 30 g.m-3 (Polyamide PA12) and 60 g.m-3 (UHMW Polyethylene). The maximum explosion pressure of the samples was 6.47 (UHMW Polyethylene) and 6.76 bar (Polyamide PA 12). The explosion constant Kst of the samples was 116.6 bar.m.s-1 (Polyamide PA 12) and 97.1 bar.m.s-1 (UHMW Polyethylene). Therefore, when using polymers in production technologies, it is necessary to know their fire parameters, and to design effective explosion prevention measures for flammable and explosive polymers.

Keywords

polyamide; polypropylene; UHMW polyethylene; dust explosion; hazard

Subject

Engineering, Safety, Risk, Reliability and Quality

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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